udp-client-server.py

#!/usr/bin/python3

# simple_udp_client.py

import socket

UDP_IP = "127.0.0.1"
UDP_PORT = 5005
MESSAGE = "Hello, World!"

print("UDP target IP:".format(UDP_IP))
print("UDP target port:".format(UDP_PORT))
print("message: {}".format(MESSAGE))

sock = socket.socket(socket.AF_INET, # Internet
                     socket.SOCK_DGRAM) # UDP
sock.sendto(MESSAGE.encode('ascii'), (UDP_IP, UDP_PORT))



# simple_udp_server.py

import socket

UDP_IP = "127.0.0.1"
UDP_PORT = 5005

sock = socket.socket(socket.AF_INET, # Internet
                     socket.SOCK_DGRAM) # UDP
sock.bind((UDP_IP, UDP_PORT))

while True:
    data, addr = sock.recvfrom(1024) # buffer size is 1024 bytes
    print("received message: {}".format(data))